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1 #ifndef _LINUX_COMPAT_H_
2 #define _LINUX_COMPAT_H_
3 
4 #include <malloc.h>
5 #include <linux/types.h>
6 #include <linux/err.h>
7 #include <linux/kernel.h>
8 
9 struct unused {};
10 typedef struct unused unused_t;
11 
12 struct p_current{
13        int pid;
14 };
15 
16 extern struct p_current *current;
17 
18 /* avoid conflict with <dm/device.h> */
19 #ifdef dev_dbg
20 #undef dev_dbg
21 #endif
22 #ifdef dev_vdbg
23 #undef dev_vdbg
24 #endif
25 #ifdef dev_info
26 #undef dev_info
27 #endif
28 #ifdef dev_err
29 #undef dev_err
30 #endif
31 #ifdef dev_warn
32 #undef dev_warn
33 #endif
34 
35 #define dev_dbg(dev, fmt, args...)		\
36 	debug(fmt, ##args)
37 #define dev_vdbg(dev, fmt, args...)		\
38 	debug(fmt, ##args)
39 #define dev_info(dev, fmt, args...)		\
40 	printf(fmt, ##args)
41 #define dev_err(dev, fmt, args...)		\
42 	printf(fmt, ##args)
43 #define dev_warn(dev, fmt, args...)		\
44 	printf(fmt, ##args)
45 
46 #define GFP_ATOMIC ((gfp_t) 0)
47 #define GFP_KERNEL ((gfp_t) 0)
48 #define GFP_NOFS ((gfp_t) 0)
49 #define GFP_USER ((gfp_t) 0)
50 #define __GFP_NOWARN ((gfp_t) 0)
51 #define __GFP_ZERO	((__force gfp_t)0x8000u)	/* Return zeroed page on success */
52 
53 void *kmalloc(size_t size, int flags);
54 
kzalloc(size_t size,gfp_t flags)55 static inline void *kzalloc(size_t size, gfp_t flags)
56 {
57 	return kmalloc(size, flags | __GFP_ZERO);
58 }
59 
kmalloc_array(size_t n,size_t size,gfp_t flags)60 static inline void *kmalloc_array(size_t n, size_t size, gfp_t flags)
61 {
62 	if (size != 0 && n > SIZE_MAX / size)
63 		return NULL;
64 	return kmalloc(n * size, flags | __GFP_ZERO);
65 }
66 
kcalloc(size_t n,size_t size,gfp_t flags)67 static inline void *kcalloc(size_t n, size_t size, gfp_t flags)
68 {
69 	return kmalloc_array(n, size, flags | __GFP_ZERO);
70 }
71 
72 #define vmalloc(size)	kmalloc(size, 0)
73 #define __vmalloc(size, flags, pgsz)	kmalloc(size, flags)
vzalloc(unsigned long size)74 static inline void *vzalloc(unsigned long size)
75 {
76 	return kzalloc(size, 0);
77 }
kfree(const void * block)78 static inline void kfree(const void *block)
79 {
80 	free((void *)block);
81 }
vfree(const void * addr)82 static inline void vfree(const void *addr)
83 {
84 	free((void *)addr);
85 }
86 
87 struct kmem_cache { int sz; };
88 
89 struct kmem_cache *get_mem(int element_sz);
90 #define kmem_cache_create(a, sz, c, d, e)	get_mem(sz)
91 void *kmem_cache_alloc(struct kmem_cache *obj, int flag);
kmem_cache_free(struct kmem_cache * cachep,void * obj)92 static inline void kmem_cache_free(struct kmem_cache *cachep, void *obj)
93 {
94 	free(obj);
95 }
kmem_cache_destroy(struct kmem_cache * cachep)96 static inline void kmem_cache_destroy(struct kmem_cache *cachep)
97 {
98 	free(cachep);
99 }
100 
101 #define DECLARE_WAITQUEUE(...)	do { } while (0)
102 #define add_wait_queue(...)	do { } while (0)
103 #define remove_wait_queue(...)	do { } while (0)
104 
105 #define KERNEL_VERSION(a,b,c)	(((a) << 16) + ((b) << 8) + (c))
106 
107 #define PAGE_SIZE	4096
108 
109 /* drivers/char/random.c */
110 #define get_random_bytes(...)
111 
112 /* include/linux/leds.h */
113 struct led_trigger {};
114 
115 #define DEFINE_LED_TRIGGER(x)		static struct led_trigger *x;
116 enum led_brightness {
117 	LED_OFF		= 0,
118 	LED_HALF	= 127,
119 	LED_FULL	= 255,
120 };
121 
led_trigger_register_simple(const char * name,struct led_trigger ** trigger)122 static inline void led_trigger_register_simple(const char *name,
123 					struct led_trigger **trigger) {}
led_trigger_unregister_simple(struct led_trigger * trigger)124 static inline void led_trigger_unregister_simple(struct led_trigger *trigger) {}
led_trigger_event(struct led_trigger * trigger,enum led_brightness event)125 static inline void led_trigger_event(struct led_trigger *trigger,
126 					enum led_brightness event) {}
127 
128 /* uapi/linux/limits.h */
129 #define XATTR_LIST_MAX 65536	/* size of extended attribute namelist (64k) */
130 
131 /**
132  * The type used for indexing onto a disc or disc partition.
133  *
134  * Linux always considers sectors to be 512 bytes long independently
135  * of the devices real block size.
136  *
137  * blkcnt_t is the type of the inode's block count.
138  */
139 #ifdef CONFIG_LBDAF
140 typedef u64 sector_t;
141 typedef u64 blkcnt_t;
142 #else
143 typedef unsigned long sector_t;
144 typedef unsigned long blkcnt_t;
145 #endif
146 
147 /* module */
148 #define THIS_MODULE		0
149 #define try_module_get(...)	1
150 #define module_put(...)		do { } while (0)
151 #define module_init(...)
152 #define module_exit(...)
153 #define EXPORT_SYMBOL(...)
154 #define EXPORT_SYMBOL_GPL(...)
155 #define module_param(...)
156 #define module_param_call(...)
157 #define MODULE_PARM_DESC(...)
158 #define MODULE_VERSION(...)
159 #define MODULE_DESCRIPTION(...)
160 #define MODULE_AUTHOR(...)
161 #define MODULE_LICENSE(...)
162 #define MODULE_ALIAS(...)
163 #define __module_get(...)
164 
165 /* character device */
166 #define MKDEV(...)			0
167 #define MAJOR(dev)			0
168 #define MINOR(dev)			0
169 
170 #define alloc_chrdev_region(...)	0
171 #define unregister_chrdev_region(...)
172 
173 #define class_create(...)		__builtin_return_address(0)
174 #define class_create_file(...)		0
175 #define class_register(...)		0
176 #define class_unregister(...)
177 #define class_remove_file(...)
178 #define class_destroy(...)
179 #define misc_register(...)		0
180 #define misc_deregister(...)
181 
182 #define blocking_notifier_call_chain(...) 0
183 
184 #define __initdata
185 #define late_initcall(...)
186 
187 #define dev_set_name(...)		do { } while (0)
188 #define device_register(...)		0
189 #define device_unregister(...)
190 #define volume_sysfs_init(...)		0
191 #define volume_sysfs_close(...)		do { } while (0)
192 
193 #define init_waitqueue_head(...)	do { } while (0)
194 #define wait_event_interruptible(...)	0
195 #define wake_up_interruptible(...)	do { } while (0)
196 #define dump_stack(...)			do { } while (0)
197 
198 #define task_pid_nr(x)			0
199 #define set_freezable(...)		do { } while (0)
200 #define try_to_freeze(...)		0
201 #define set_current_state(...)		do { } while (0)
202 #define kthread_should_stop(...)	0
203 #define schedule()			do { } while (0)
204 
205 #define setup_timer(timer, func, data) do {} while (0)
206 #define del_timer_sync(timer) do {} while (0)
207 #define schedule_work(work) do {} while (0)
208 #define INIT_WORK(work, fun) do {} while (0)
209 
210 struct work_struct {};
211 
212 unsigned long copy_from_user(void *dest, const void *src,
213 			     unsigned long count);
214 
215 typedef unused_t spinlock_t;
216 typedef int	wait_queue_head_t;
217 
218 #define spin_lock_init(lock) do {} while (0)
219 #define spin_lock(lock) do {} while (0)
220 #define spin_unlock(lock) do {} while (0)
221 #define spin_lock_irqsave(lock, flags) do { debug("%lu\n", flags); } while (0)
222 #define spin_unlock_irqrestore(lock, flags) do { flags = 0; } while (0)
223 
224 #define DEFINE_MUTEX(...)
225 #define mutex_init(...)
226 #define mutex_lock(...)
227 #define mutex_unlock(...)
228 
229 #define init_rwsem(...)			do { } while (0)
230 #define down_read(...)			do { } while (0)
231 #define down_write(...)			do { } while (0)
232 #define down_write_trylock(...)		1
233 #define up_read(...)			do { } while (0)
234 #define up_write(...)			do { } while (0)
235 
236 #define cond_resched()			do { } while (0)
237 #define yield()				do { } while (0)
238 
239 #define __init
240 #define __exit
241 #define __devinit
242 #define __devinitdata
243 #define __devinitconst
244 
245 #define kthread_create(...)	__builtin_return_address(0)
246 #define kthread_stop(...)	do { } while (0)
247 #define wake_up_process(...)	do { } while (0)
248 
249 struct rw_semaphore { int i; };
250 #define down_write(...)			do { } while (0)
251 #define up_write(...)			do { } while (0)
252 #define down_read(...)			do { } while (0)
253 #define up_read(...)			do { } while (0)
254 struct device {
255 	struct device		*parent;
256 	struct class		*class;
257 	dev_t			devt;	/* dev_t, creates the sysfs "dev" */
258 	void	(*release)(struct device *dev);
259 	/* This is used from drivers/usb/musb-new subsystem only */
260 	void		*driver_data;	/* data private to the driver */
261 	void            *device_data;   /* data private to the device */
262 };
263 struct mutex { int i; };
264 struct kernel_param { int i; };
265 
266 struct cdev {
267 	int owner;
268 	dev_t dev;
269 };
270 #define cdev_init(...)		do { } while (0)
271 #define cdev_add(...)		0
272 #define cdev_del(...)		do { } while (0)
273 
274 #define prandom_u32(...)	0
275 
276 typedef struct {
277 	uid_t val;
278 } kuid_t;
279 
280 typedef struct {
281 	gid_t val;
282 } kgid_t;
283 
284 /* from include/linux/types.h */
285 
286 /**
287  * struct callback_head - callback structure for use with RCU and task_work
288  * @next: next update requests in a list
289  * @func: actual update function to call after the grace period.
290  */
291 struct callback_head {
292 	struct callback_head *next;
293 	void (*func)(struct callback_head *head);
294 };
295 #define rcu_head callback_head
296 enum writeback_sync_modes {
297 	WB_SYNC_NONE,	/* Don't wait on anything */
298 	WB_SYNC_ALL,	/* Wait on every mapping */
299 };
300 
301 /* from include/linux/writeback.h */
302 /*
303  * A control structure which tells the writeback code what to do.  These are
304  * always on the stack, and hence need no locking.  They are always initialised
305  * in a manner such that unspecified fields are set to zero.
306  */
307 struct writeback_control {
308 	long nr_to_write;		/* Write this many pages, and decrement
309 					   this for each page written */
310 	long pages_skipped;		/* Pages which were not written */
311 
312 	/*
313 	 * For a_ops->writepages(): if start or end are non-zero then this is
314 	 * a hint that the filesystem need only write out the pages inside that
315 	 * byterange.  The byte at `end' is included in the writeout request.
316 	 */
317 	loff_t range_start;
318 	loff_t range_end;
319 
320 	enum writeback_sync_modes sync_mode;
321 
322 	unsigned for_kupdate:1;		/* A kupdate writeback */
323 	unsigned for_background:1;	/* A background writeback */
324 	unsigned tagged_writepages:1;	/* tag-and-write to avoid livelock */
325 	unsigned for_reclaim:1;		/* Invoked from the page allocator */
326 	unsigned range_cyclic:1;	/* range_start is cyclic */
327 	unsigned for_sync:1;		/* sync(2) WB_SYNC_ALL writeback */
328 };
329 
330 void *kmemdup(const void *src, size_t len, gfp_t gfp);
331 
332 typedef int irqreturn_t;
333 
334 struct timer_list {};
335 struct notifier_block {};
336 
337 typedef unsigned long dmaaddr_t;
338 
339 #define pm_runtime_get_sync(dev) do {} while (0)
340 #define pm_runtime_put(dev) do {} while (0)
341 #define pm_runtime_put_sync(dev) do {} while (0)
342 #define pm_runtime_use_autosuspend(dev) do {} while (0)
343 #define pm_runtime_set_autosuspend_delay(dev, delay) do {} while (0)
344 #define pm_runtime_enable(dev) do {} while (0)
345 
346 #define IRQ_NONE 0
347 #define IRQ_HANDLED 1
348 #define IRQ_WAKE_THREAD 2
349 
350 #define dev_set_drvdata(dev, data) do {} while (0)
351 
352 #define enable_irq(...)
353 #define disable_irq(...)
354 #define disable_irq_wake(irq) do {} while (0)
355 #define enable_irq_wake(irq) -EINVAL
356 #define free_irq(irq, data) do {} while (0)
357 #define request_irq(nr, f, flags, nm, data) 0
358 
359 #endif
360